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Conjunction of the Moon and Venus

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Venus will share the same right ascension, with the Moon passing 4°03' to the south of Venus. The Moon will be 3 days old.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Cambridge, the pair will become visible around 17:15 (EDT) as the dusk sky fades, 36° above your south-western horizon. They will then sink towards the horizon, setting 3 hours and 57 minutes after the Sun at 20:52.

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The Moon will be at mag -10.6 in the constellation Aquarius, and Venus at mag -4.6 in the neighbouring constellation of Pisces.

The pair will be too widely separated to fit within the field of view of a telescope, but will be visible to the naked eye or through a pair of binoculars.

A graph of the angular separation between the Moon and Venus around the time of closest approach is available here.

The positions of the two objects at the moment of conjunction will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
The Moon 23h47m10s -03°34' Aquarius -10.6 31'36"2
Venus 23h47m10s +00°29' Pisces -4.6 30"6

The coordinates above are given in J2000.0. The pair will be at an angular separation of 44° from the Sun, which is in Capricornus at this time of year.

The sky on 31 January 2017
Twilight ends
Twilight begins

3-day old moon
Waxing Crescent


3 days old

Rise Culm. Set
Mercury 05:53 10:28 15:04
Venus 08:43 14:48 20:53
Moon 09:07 14:59 20:51
Mars 09:04 15:10 21:15
Jupiter 22:49 04:29 10:04
Saturn 04:00 08:37 13:14
All times shown in EST.


The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Related news

14 Jan 2017  –  Venus at dichotomy
04 Feb 2017  –  Venus reaches highest point in evening sky
18 Feb 2017  –  Venus at greatest brightness
20 Feb 2017  –  Venus at perihelion

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